/* Section 02 only. The original comparison and sections 03 onward stay independent. */
.top-hero .hero-frame{height:710px;min-height:0}
.work-section{--work-accent:#287e8b;--work-edge:#8cb8bd;--work-ink:#16394c;padding:76px 0 84px;background:#fff;isolation:isolate;scroll-margin-top:78px;font-family:"RIVERST Work Noto","Noto Sans JP",sans-serif}
.work-section .event-backdrop{position:absolute;inset:0;display:block;z-index:-1;opacity:1;background:linear-gradient(to bottom,#fbfdfe 0%,#ffffff00 13%,#ffffff00 85%,#fff 100%),linear-gradient(90deg,#ffffffbc 0%,#ffffffda 23%,#fffffff4 38%,#fffffff4 62%,#ffffffda 77%,#ffffffbc 100%),url("assets/top-work/event-atrium-sample.webp") center 48%/cover no-repeat;pointer-events:none}
.work-section .work-inner{width:min(100% - 48px,900px);max-width:900px}
.work-heading{text-align:center}
.work-heading .eyebrow{font:700 15px/1.6 "RIVERST Work Noto","Noto Sans JP",sans-serif;letter-spacing:.12em;color:var(--work-accent);margin-bottom:24px}
.work-heading .eyebrow::after{content:"";display:block;width:36px;height:2px;margin:14px auto 0;background:var(--work-accent)}
.work-heading h2{font-size:clamp(34px,4.2vw,58px);line-height:1.42;letter-spacing:-.045em;color:var(--work-ink)}
.work-heading h2>span{display:block}
.work-heading .section-lead{margin:25px auto 0;max-width:760px;font-size:16px;line-height:1.95;letter-spacing:.015em;text-wrap:pretty}
.work-section .work-flow-wrap{position:relative;isolation:isolate;width:min(100%,820px);margin:34px auto 0}
.work-section .work-flow{position:relative;z-index:1;display:flex;flex-direction:column;gap:32px;width:100%;list-style:none;padding:0;margin:0;border:0}
.work-section .work-flow .work-step{width:100%;min-height:0;display:grid;grid-template-columns:126px minmax(0,1fr);align-items:center;gap:24px;padding:22px 26px;border:1px solid var(--work-edge);border-radius:8px;background:#fff;position:relative;isolation:isolate;box-shadow:none}
.work-section .work-flow .work-step::after{content:none}
.work-step-meta{align-self:stretch;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;border-right:1px solid #b8d3d5;padding-right:20px}
.work-section .work-flow .work-number{font:400 48px/1 Arial,sans-serif;letter-spacing:-.035em;color:var(--work-accent)}
.work-section .work-flow .work-process{font-size:13px;font-weight:700;line-height:1.5;margin-top:10px;color:var(--work-accent);letter-spacing:.02em}
.work-section .work-flow .work-role{display:block;font-size:12px;margin-top:4px;line-height:1.5}
.work-step-copy{min-width:0}
.work-step-copy h3{font-size:clamp(20px,1.8vw,25px);font-weight:700;line-height:1.55;letter-spacing:-.025em;text-wrap:pretty}
.work-step-copy>p{font-size:16px;line-height:1.9;letter-spacing:.015em;margin-top:10px;text-wrap:pretty}
.work-section .work-flow .work-step-closer{--work-edge:#73aaa7;background:#eaf7f2;border-color:var(--work-edge)}
.work-section .work-flow .work-step-closer::before{content:"";position:absolute;inset:0;border-radius:inherit;background:#cfeee1;opacity:0;transform:scaleX(.08);transform-origin:left center;z-index:-1;pointer-events:none}
.work-section .work-travel{position:absolute;inset:0;z-index:0;overflow:hidden;pointer-events:none;color:var(--work-accent)}
.work-section .work-travel-tracked .work-travel{--work-travel-length:0px}
.work-section .work-travel-shaft{position:absolute;left:calc(50% - 3px);top:0;width:6px;height:max(0px,calc(var(--work-travel-length,100%) - 9px));border-radius:3px;background:currentColor}
.work-section .work-travel-head{position:absolute;left:calc(50% - 18px);top:calc(var(--work-travel-length,100%) - 21px);width:36px;height:24px;fill:none;stroke:currentColor;stroke-width:5;stroke-linecap:round;stroke-linejoin:round}
.work-section .work-accent-on{animation:work-outline-accent 900ms ease-out}
.work-section .work-flow .work-step-closer.work-accent-on::before{animation:work-closer-accent 900ms ease-out}
.work-section .work-accent-static,.work-section .work-flow .work-step-closer.work-accent-static::before{animation:none}
@keyframes work-outline-accent{0%,100%{border-color:var(--work-edge)}35%{border-color:#287e8b}}
@keyframes work-closer-accent{0%{transform:scaleX(.08);opacity:0}65%{transform:scaleX(1);opacity:.8}100%{transform:scaleX(1);opacity:0}}
@media(max-width:760px){
 .work-section{padding:50px 0 58px;scroll-margin-top:64px}
 .work-section .work-inner{width:100%}
 .work-heading{width:calc(100% - 36px);margin-inline:auto}
 .work-heading .eyebrow{font-size:14px;margin-bottom:20px;letter-spacing:.08em}
 .work-heading h2{font-size:clamp(27px,6.7vw,40px);line-height:1.5;letter-spacing:-.04em}
 .work-heading .section-lead{font-size:16px;line-height:1.9;text-align:left;margin-top:22px}
 .work-intro-break{display:none}
 .work-section .event-backdrop{background:linear-gradient(to bottom,#fbfdfe 0%,#ffffff00 9%,#ffffff00 88%,#fff 100%),linear-gradient(90deg,#ffffffc2,#ffffffe6 24%,#fffffff3 50%,#ffffffe6 76%,#ffffffc2),url("assets/top-work/event-atrium-sample.webp") center center/auto 100% no-repeat}
 .work-section .work-flow-wrap{width:88%;margin-top:26px}
 .work-section .work-flow{gap:28px}
 .work-section .work-flow .work-step{display:block;padding:18px 16px 20px;border:1px solid var(--work-edge);border-radius:7px}
 .work-step-meta{border:0;padding:0;display:flex;flex-direction:row;justify-content:flex-start;align-items:center;gap:13px;margin-bottom:11px}
 .work-section .work-flow .work-number{font-size:31px;line-height:1.1;flex:none}
 .work-section .work-flow .work-process{margin:0;font-size:13px;line-height:1.6}
 .work-section .work-flow .work-role{display:inline;font-size:12px;margin-left:10px;margin-top:0}
 .work-step-copy h3{font-size:21px;line-height:1.55;letter-spacing:-.035em}
 .work-step-copy>p{font-size:16px;line-height:1.85;margin-top:10px;letter-spacing:0}
}
@media(max-width:360px){.work-heading{width:calc(100% - 32px)}.work-section .work-flow .work-step{padding-inline:15px}.work-step-copy h3{font-size:20px}.work-step-meta{gap:11px}}
@media(prefers-reduced-motion:reduce){.work-section .work-accent-on,.work-section .work-flow .work-step-closer.work-accent-on::before{animation:none}.work-section .work-travel{--work-travel-length:100%!important}}